提出了筒承式群仓平动自振基频、结构基本振型指数的计算公式及简化设计方法。
The calculating formulae and short_cut methods for design, which are about the basic frequency of vibration, and the structural coefficient of the basic vibration model, are put forward.
通过对北京地区八幢建筑物脉动信号的分析，研究了考虑地基与结构相互作用的影响时，体系基本振型的特点。
The characteristics of the fundamental mode of vibration of soil-structure interaction system are studied through the analysis of experimental results of eight building structures in Beijing.
第二章介绍了移动荷载识别的基本原理和相关知识，包括振型的正交性，模态叠加原理等。
The second chapter introduces the basic principle and the correlation knowledge of moving load identification, including mode shape orthogonality, mode superposition principle and so on.
文章介绍了振型测量的基本原理、实验室模拟叶片试验以及在电厂的实际应用。
This paper deals with the principle of the vibration pattern measurement, blade simulation tests in LABS and the application in power plants.
本文导出了无基础V型活塞式空气压缩机振动的力学模型，阐述了减振系统设计计算的基本问题。
In this paper, the vibration mechanic at model for a no-base, V-type positon air compressor is deduced, some elementary problems of design and calculation of damping system are expounded.
本文简要介绍了振型测量的基本原理。
In this paper, the vibration mode shape measuring principle for the blade is presented.
同时，通过统计分析给出第二振型、第三振型周期与基本周期比值的经验公式。
In addition, the empirical formulas for estimating the ratios of 2nd and 3th mode periods to the fundamental period are put forward through statistical analysis.
最后，对电-磁振子组合型UWB天线及其阵列进行了实验测量，实验测量结果与数值模拟结果基本一致。
Finally, the experiments of the EMV-UWB antenna have been done, and the results accord with the numerical stimulation well.
最后，对电-磁振子组合型UWB天线及其阵列进行了实验测量，实验测量结果与数值模拟结果基本一致。
Finally, the experiments of the EMV-UWB antenna have been done, and the results accord with the numerical stimulation well.
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